GENERAL DESCRIPTION

The AD7484 is a 14-bit, high speed, low power, successive approximation ADC. The part features a parallel interface with throughput rates up to 3 MSPS. The part contains a low noise, wide bandwidth track-and-hold that can handle input frequencies in excess of 40 MHz.

FEATURES

Fast throughput rate: 3 MSPS

Wide input bandwidth: 40 MHz

No pipeline delays with SAR ADC

Excellent dc accuracy performance

2 parallel interface modes

Low power: 90 mW (full power) and 2.5 mW (nap mode)

Standby mode: 2 μA maximum

Single 5 V supply operation

Internal 2.5 V reference

Full-scale overrange mode (using 15th bit)

System offset removal via user access offset register

Nominal 0 V to 2.5 V input with shifted range capability

Pin compatible upgrade of 12-bit AD7482